The Tech 2 Pathing document shows many tests that are available for the Tech 2 to test power windows. However, the Tech 2 does work off the truck's VIN, and if the truck did not come with power windows, I'm not sure that it will be helpful to you. Others will chime in with their perspectives.
Mirror Curb View – Body > Door Module(s) > Passenger Door Module > Special Functions > Output Control > Mirror Test
Mirror Down – Body > Left Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Down – Body > Right Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Fold – Body > Door Module(s) > Driver Door Module > Special Functions > Output Control > Mirror Test
Mirror Fold – Body > Door Module(s) > Passenger Door Module > Special Functions > Output Control > Mirror Test
Mirror Fold – Body > Driver Door Module > Special Functions > Output Control
Mirror Fold – Body > Passenger Door Module > Special Functions > Output Control
Mirror Fold – Body and Accessories > Doors > Special Functions > Driver Door Module
Mirror Fold – Body and Accessories > Doors > Special Functions > Passenger Door Module
Mirror Fold – Body and Accessories > Keyless Entry > Special Functions > Driver Door Module
Mirror Fold – Body and Accessories > Keyless Entry > Special Functions > Passenger Door Module
Mirror Fold – Body and Accessories > Lighting Systems > Special Functions > Passenger Door Module
Mirror Fold – Body and Accessories > Roof > Special Functions > Passenger Door Module
Mirror Fold – Engine > Engine Electrical > Special Functions > Driver Door Module
Mirror Fold – Engine > Engine Electrical > Special Functions > Passenger Door Module
Mirror Fold – Engine > Engine Electrical > Special Functions > PDM
Mirror Heat – Body > Door Module(s) > Driver Door Module > Special Functions > Output Control > Mirror Test
Mirror Heat – Body > Door Module(s) > Passenger Door Module > Special Functions > Output Control > Mirror Test
Mirror Heat – Body > Driver Door Module > Special Functions > Output Control
Mirror Heat – Body > Passenger Door Module > Special Functions > Output Control
Mirror Heater – Body > Left Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Heater – Body > Right Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Heater – Body and Accessories > Doors > Special Functions > Driver Door Module
Mirror Heater – Body and Accessories > Doors > Special Functions > Passenger Door Module
Mirror Heater – Body and Accessories > Keyless Entry > Special Functions > Driver Door Module
Mirror Heater – Body and Accessories > Keyless Entry > Special Functions > Passenger Door Module
Mirror Heater – Body and Accessories > Lighting Systems > Special Functions > Driver Door Module
Mirror Heater – Body and Accessories > Lighting Systems > Special Functions > Passenger Door Module
Mirror Heater – Body and Accessories > Roof > Special Functions > Driver Door Module
Mirror Heater – Body and Accessories > Roof > Special Functions > Passenger Door Module
Mirror Heater – Body and Accessories > Theft Deterrent > Special Functions > Driver Door Module
Mirror Heater – Engine > Engine Electrical > Special Functions > DDM
Mirror Heater – Engine > Engine Electrical > Special Functions > Driver Door Module
Mirror Heater – Engine > Engine Electrical > Special Functions > Passenger Door Module
Mirror Heater – Engine > Engine Electrical > Special Functions > PDM
Mirror Left – Body > Left Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Left – Body > Right Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Left/Right – Body > Door Module(s) > Driver Door Module > Special Functions > Output Control > Mirror Test
Mirror Left/Right – Body > Door Module(s) > Passenger Door Module > Special Functions > Output Control > Mirror Test
Mirror Left/Right – Body > Driver Door Module > Special Functions > Output Control
Mirror Left/Right – Body > Passenger Door Module > Special Functions > Output Control
Mirror Left/Right – Engine > Engine Electrical > Special Functions > DDM
Mirror Left/Right – Engine > Engine Electrical > Special Functions > Driver Door Module
Mirror Right – Body > Left Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Right – Body > Right Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Test – Body > Door Module(s) > Driver Door Module > Special Functions > Output Control
Mirror Test – Body > Door Module(s) > Passenger Door Module > Special Functions > Output Control
Mirror Test – Body > Left Door Control Module > Special Functions > Output Control
Mirror Test – Body > Right Door Control Module > Special Functions > Output Control
Mirror Up – Body > Left Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Up – Body > Right Door Control Module > Special Functions > Output Control > Mirror Test
Mirror Up/Down – Body > Door Module(s) > Driver Door Module > Special Functions > Output Control > Mirror Test
Mirror Up/Down – Body > Door Module(s) > Passenger Door Module > Special Functions > Output Control > Mirror Test
Mirror Up/Down – Body > Driver Door Module > Special Functions > Output Control
Mirror Up/Down – Body > Passenger Door Module > Special Functions > Output Control
Mirror Up/Down – Engine > Engine Electrical > Special Functions > DDM
Mirror Up/Down – Engine > Engine Electrical > Special Functions > Driver Door Module